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[期刊论文] 作者：Timo Pukkala,Erkki L(a)hde,Ola,
来源：城市道桥与防洪 年份：2014
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者：Timo Pukkala,Erkki L?hde,Olavi Laiho,,
来源：Journal of Forestry Research 年份：2014
The current trend of forest management in many countries is reduced use of clear-felling and planting, and increased use of continuous cover management. In Finl...
[期刊论文] 作者：Timo Pukkala,Erkki Lhde,Olavi Laiho,,
来源：Forest Ecosystems 年份：2016
Background:In economically optimal management,trees that are removed in a thinning treatment should be selected on the basis of their value,relative value incre...
[期刊论文] 作者：Timo Pukkala,Erkki Lhde,Olavi Laiho,,
来源：Forest Ecosystems 年份：2014
Background:Studies on optimal stand management often make simplifications or restrict the choice of treatments,Examples of simplifications are neglecting natura...
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